Detachable string magnetically controlled capsule endoscopy for the noninvasive diagnosis of esophageal diseases: A prospective, blind clinical study

Table 5 Perception analysis of subjects undergoing esophagogastroduodenoscopy and detachable string magnetically controlled capsule endoscopy examination

Projects	EGD (n = 49)	ds-MCE (n = 50)
Comfort level
0 Very comfort	6	13
1 Comfort	13	27
2 Tolerable	23	10
3 Uncomfortable	3	0
4 Very uncomfortable	4	0
P value (Kruskal-Wallis test)	< 0.0001
Pain during the examination
0 No	23	40
1 A little	18	9
2 Mild	7	1
3 Serious	1	0
4 Unbearable	0	0
P value (Kruskal-Wallis test)	0.0004
Discomfort during the examination
0 No	14	31
1 A little	21	14
2 Mild	6	5
3 Serious	7	0
4 Unbearable	0	0
P value (Kruskal-Wallis test)	0.0003
Pain after the examination
0 No	29	44
1 A little	15	6
2 Mild	5	0
3 Serious	0	0
4 Unbearable	0	0
P value (Kruskal-Wallis test)	0.0008
Discomfort after the examination
0 No	23	42
1 A little	18	7
2 Mild	7	1
3 Serious	1	0
4 Unbearable	0	0
P value (Kruskal-Wallis test)	< 0.0001
Convenience of inspection
0 Very convenient	14	25
1 Convenient	29	25
2 Inconvenient	5	0
3 Very inconvenient	1	0
P value (Kruskal-Wallis test)	0.0074

EGD: Esophagogastroduodenoscopy; ds-MCE: Detachable string magnetically controlled capsule endoscopy.